Expected Shortfall: a natural coherent alternative to Value at Risk

Carlo Acerbi and Dirk Tasche

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Abstract: We discuss the coherence properties of Expected Shortfall (ES) as a financial risk measure. This statistic arises in a natural way from the estimation of the "average of the 100p % worst losses" in a sample of returns to a portfolio. Here p is some fixed confidence level. We also compare several alternative representations of ES which turn out to be more appropriate for certain purposes.

Date: 2001-05
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Citations: View citations in EconPapers (43)

Published in Economic notes, 31(2), 379-388, 2002

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Journal Article: Expected Shortfall: A Natural Coherent Alternative to Value at Risk (2002)
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